diff --git a/css/search.css b/css/search.css
index 02ab3b0..5125525 100644
--- a/css/search.css
+++ b/css/search.css
@@ -98,7 +98,7 @@
   }
   100% {
     border-width: 1px;
-    height: 300px;
+    height: auto;
   }
 }
 .boxbox .body .left .input-box .hint-list .item {
diff --git a/css/search.less b/css/search.less
index 4cf29f1..568b0ce 100644
--- a/css/search.less
+++ b/css/search.less
@@ -103,7 +103,7 @@
 
                         100% {
                             border-width: 1px;
-                            height: 300px;
+                            height: auto;
                         }
                     }